Optimising models of commercial GPR antennas

Warren, Craig and Giannopoulos, Antonios (2009) Optimising models of commercial GPR antennas. In: IWAGPR2009 - 5th International Workshop on Advanced Ground Penetrating Radar, 27th - 29th May 2009, Granada, Spain.

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This paper presents three-dimensional (3D) numerical models of commercially used Ground-Penetrating Radar (GPR) antennas from Geophysical Survey Systems, Inc. (GSSI) and Mala Geoscience. GprMax, an electromagnetic simulator based on the Finite-Difference Time-Domain (FDTD) technique, is used along with ParaView (an open-source visualisation ap-plication) to create and visualise the models. An implementation of Taguchi’s method is used to optimise unknown parameters in the models. Comparisons of real and modelled antenna free- space responses (crosstalk) have shown excellent agreement. Accurate antenna models of real GPR antennas allow the direct comparison of modelled and real GPR signals, providing an investigative tool for future research in areas such as material property and geometry information from GPR wavelets, and optimisation of antenna designs.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: antennas, commercial, FDTD modelling, GPR, near-field, optimisation, subsurface, Taguchi
Subjects: F800 Physical and Terrestrial Geographical and Environmental Sciences
H200 Civil Engineering
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Craig Warren
Date Deposited: 13 Jul 2017 08:53
Last Modified: 12 Oct 2019 20:50
URI: http://nrl.northumbria.ac.uk/id/eprint/31275

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